Structure Height Limits: Altadena vs Long Beach
How do structure height limits rules compare between Altadena, CA and Long Beach, CA?
Altadena and Long Beach have similar restriction levels.
Altadena, CA
Los Angeles County
Altadena R-1 max height: 35 ft on lots ≥20,000 sf; 30 ft on lots <20,000 sf and flag lots. Maximum 2 stories above grade. No portion of any structure may exceed 23 ft if within 15 ft of any property line.
View full Altadena rules →Long Beach, CA
Los Angeles County
Building height limits in Long Beach are set by zoning district under LBMC Title 21. R-1 zones allow a maximum of 28 feet. Accessory structures are limited to 15 feet. Height exceptions apply for solar panels and rooftop equipment.
View full Long Beach rules →Key Facts Comparison
| Fact | Altadena | Long Beach |
|---|---|---|
| Code Section | Altadena CSD 22.306.070.A.2 | - |
| Max Height ≥20k sf | 35 ft | - |
| Max Height <20k sf | 30 ft | - |
| Flag Lots | 30 ft | - |
| Max Stories | 2 above grade | - |
| Within 15 ft of PL | 23 ft | - |
| R-1 Max | - | 28 feet |
| Accessory Structures | - | 15 ft max |
| Code | - | LBMC Title 21 |
| Solar Exception | - | Panels may exceed roof height |
Highlighted rows indicate differences between cities.
Altadena FAQ
How tall can a house be in Altadena?
35 ft on lots 20,000 sq ft and larger, 30 ft on smaller lots, with a maximum of 2 stories above grade (Altadena CSD 22.306.070.A.2).
Long Beach FAQ
What is the max height for a house?
Typically 35 feet or 2.5 stories in residential zones. Check Long Beach zoning code for your specific district.
Do chimneys count toward height?
Chimneys and similar projections are usually exempt up to a limited additional height above the roof.
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